Create Table

Try the following on SQLFiddle:
Create the database schema:

Run the following SQL queries:

You can use the following to create table , to insert data and to select the data from the table:

create table aTable (id integer , 
name char(30), 
surname char(30), 
salary numeric);
insert into aTable values(1,'John','John_Surname',234.554);
insert into aTable values(2,'Tim','Tim_Surnameancelot',3445.455);
insert into aTable values(3,'Gary','Gary_Surname',33234.33445);
select * from aTable;

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